基于Quest3D校园虚拟现实实现[毕业论文]【完全版】49

I基于基于基于基于Quest3DQuest3DQuest3DQuest3D校园校园校园校园虚拟现实虚拟现实虚拟现实虚拟现实实现实现实现实现摘摘摘摘要要要要：：：：虚拟现实技术是利用计算机生成逼真的虚拟环境，用户可通过多种人机接口实现与该虚拟环境进行实时交互，并获取真实环境相关信息的一门技术。虚拟校园是虚拟技术的一个重要应用，它能提供三维虚拟环境，并支持对现实大学的资源管理、环境规划、学校发展和远程访问等。本设计利用3DSMAX为某大学校园建模、制作纹理贴图、烘焙带有灯光信息贴图。为了缓解模型逼真度与交互实时性之间的矛盾，本文采用了几何建模与图像建模相结合的建模方式及UVM展开纹理绘制技术，构建了实时、逼真的原始模型。在此基础上，将模型导入Quest3D中，利用多层次细节处理技术制作出符合人体感官特点的光、声、水、视频等特效，并使用通道技术实现了具有人机交互功能的校园虚拟现实桌面系统。本文着重介绍了针对不同需求的Quest3D使用方法以及为了实现交互效果而进行的编程与设置。本系统在学院校友成立大会上发布，对于宣传学院取得良好的视觉效果，具有现实意义。关键字关键字关键字关键字：：：：虚拟现实；3DSMAX；建模；烘焙；Quest3D；人机交互IIImplementationofCampusVirtualRealitybasedQueast3DAbstract:VirtualRealitycanproduceahighlyvividsimulationenvironmentbyusingcomputertechnology.Somerealinformationcouldbeobtainedbasedoninteractionbetweenuserandthevirtualrealityenvironmentthroughman-machineinterface.VirtualCampus,whichisanimportantapplicationofVirtualRealitytechnology,canprovideathree-dimensionvirtualenvironmentforusertocarryouttherecoursesmanagement,environmentprogramming,campusevolutionandthelong-distanceaccessingoftherealcampus.Thisdesignisbasedonmodelingby3DSMaximizingtexturemappingandtexturebakingwiththelightinformation.Inordertocompromisecontradictionbetweenamodel’sfidelityandreal-timeinteraction,andtoconstructareal-time,fidelitymodel,geometry-modelingmethod,image-modelingmethodandUVMareadoptedinthispaper.Afterthat,themodelisimportedintoQuest3D,inwhich,amulti-leveldetailstreatmenttechnologyisselectedtoproducesomespecialeffectsthattallywithhuman’ssensoryperception,suchaslight,sound,water-grainandvideoeffects.Finally,aman-machineintractabledesktopsystemofXiaoganUniversityvirtualcampusisdesigned.ThissystemistoachieveXiaogandigitallandscape,tothepublicityofXiaoganUniversitywillachievegoodvisualeffects.KeyWords:VirtualReality；3DSMAX；Modeling；Bake；Quest3D；InteractionIII目目目目录录录录1绪论.............................................................................................................................11.1引言..................................................................................................................11.2研究背景及意义..............................................................................................11.3虚拟校园国内外研究状况..............................................................................31.4本文研究内容..................................................................................................32虚拟现实技术.............................................................................................................52.1虚拟现实的概念..............................................................................................52.2虚拟现实的特征..............................................................................................52.3虚拟现实的国内外发展与现状......................................................................62.4虚拟现实的应用..............................................................................................82.5虚拟现实系统的分类......................................................................................93系统开发工具...........................................................................................................113.1三维建模工具3DSMAX.................................................................................113.2VR引擎Q3D..............................................................................................123.3辅助工具........................................................................................................134三维建模...................................................................................................................134.1三维建模的方式............................................................................................134.1.1基于几何建模的建模方法................................................................134.1.2基于图像建模的建模方法................................................................144.23DSMAX建模方式的选择..............................................................................144.3准备工作........................................................................................................154.4建筑模型制作................................................................................................164.5材质与纹理贴图............................................................................................184.5.1UVW展开及纹理绘制..........................................................................184.5.2烘焙....................................................................................................195模型的处理和交互功能的实现...............................................................................235.1通道的概念....................................................................................................235.2模型的处理....................................................................................................245.2.13DSMAX场景的导出与Q3D场景的导入....................................245.2.2植物的添加........................................................................................265.2.3水特效................................................................................................275.3